[PATCH 1/2] Documentation: mm: Add compact_node on Documentation/sysctl/vm.txt

[Masanari Iida <standby24x7@gmail.com>]

The Documentation/sysctl/vm.txt does include "compact_memory",
but it doesn't include "compact_node".

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
---
 Documentation/sysctl/vm.txt |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index 9c11d97..c94acad 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -20,6 +20,7 @@ Currently, these files are in /proc/sys/vm:
 
 - block_dump
 - compact_memory
+- compact_node
 - dirty_background_bytes
 - dirty_background_ratio
 - dirty_bytes
@@ -76,6 +77,13 @@ huge pages although processes will also directly compact memory as required.
 
 ==============================================================
 
+compact_node
+
+Available only when CONFIG_COMPACTION is set and also the system is NUMA
+architecture. When a node number is written to the file, the kernel fixing
+the fragmented pages on the specified NUMA node. 
+
+==============================================================
 dirty_background_bytes
 
 Contains the amount of dirty memory at which the pdflush background writeback
-- 
1.7.10.rc4

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